Journal
AEROSPACE SCIENCE AND TECHNOLOGY
Volume 26, Issue 1, Pages 200-210Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ast.2012.04.004
Keywords
Multi-Fidelity Model (MFM); Unmanned Combat Air Vehicle (UCAV); Multidisciplinary Design Optimization (MDO); Aircraft Design Synthesis Program (ADSP)
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Funding
- Aviation Safety RD Program [T007F3510001-07F015400310]
- Ministry of Land, Transport and Maritime Affairs of the Korean government
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This paper describes the Multidisciplinary Design Optimization (MDO) of Unmanned Combat Air Vehicle (UCAV) using Multi-Fidelity Model (MFM). Multidisciplinary feasible approach is implemented to decompose a coupling variable in a mission and a weight analysis module effectively. The necessary low-fidelity codes, which are based on empirical equations, are developed and validated for aircraft conceptual design. Meanwhile, the strategy of MFM, which constructs accurate and reliable meta-models by using the high-fidelity analysis, is implemented to improve the accuracy of the design method for UCAVs without any noticeable increase in design turnaround time. Minimization of multi-objective design optimization which consists of range and weight is performed and the design result shows the feasibility and effectiveness of the present multi-fidelity technique under MDO problem. (c) 2012 Elsevier Masson SAS. All rights reserved.
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